Base | Representation |
---|---|
bin | 1110001100101010000… |
… | …01000111000110100110 |
3 | 1201122011210211211100212 |
4 | 13012111001013012212 |
5 | 30443034314311440 |
6 | 1012035011535422 |
7 | 50146626330062 |
oct | 7062501070646 |
9 | 1648153754325 |
10 | 487831400870 |
11 | 178985120900 |
12 | 7a6658ba572 |
13 | 370050a4768 |
14 | 1987b078aa2 |
15 | ca526ac465 |
hex | 71950471a6 |
487831400870 has 48 divisors (see below), whose sum is σ = 974736960624. Its totient is φ = 175636824000.
The previous prime is 487831400839. The next prime is 487831400989. The reversal of 487831400870 is 78004138784.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1873664 + ... + 2118083.
It is an arithmetic number, because the mean of its divisors is an integer number (20307020013).
Almost surely, 2487831400870 is an apocalyptic number.
487831400870 is a deficient number, since it is larger than the sum of its proper divisors (486905559754).
487831400870 is a wasteful number, since it uses less digits than its factorization.
487831400870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3991877 (or 3991866 counting only the distinct ones).
The product of its (nonzero) digits is 1204224, while the sum is 50.
The spelling of 487831400870 in words is "four hundred eighty-seven billion, eight hundred thirty-one million, four hundred thousand, eight hundred seventy".
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